Multitools
ChimneySwift

Adds a series of multi-purpose tools to Minetest

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

Basic Grenades
LandarVargan

Adds some basic grenades using the grenades API

Sieves
AwesomeDragon97

Adds sieves that are used to separate (occasionally) valuable debris from sand.

Watershed
paramat

A river / mountain range mapgen

vexcazer
AiTechEye

Ultimate build+mine & admin tool

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Coconut Trees
Neuromancer

Adds coconut trees with edible coconuts & thatch blocks

Multiplant
Firefall

Grow Multiplants and get a random seed or flower!

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

CodeBlock
giga-turbo

Use lua code to build anything you want

blackhole containment box
Soundwavez

cool swirvy gravitational blackhole boxes, that can be used to "ahnialate" enemy bases, or for "deforestation" aah i love abms! (extra dramatic!))

void grenade
GigaByte

add an void grenade

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Hard Trees
octacian

Require tools to break trees and introduce beginner-tier rock tools.

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Zinc
alerikaisattera

Zinc metal, used for making brass

Titanium
Hybrid Dog

Adds titanium which is very strong and lasts for a long time.

Tomb Stones
Nathan.S

Adds many shapes and styles of tombstones.

Chocolatestuff
lazerbeak12345

Adds edible chocolate tools and armor to Minetest.

Street Water Pipestand
VerdiSchubert

Adds street water pipestand

Coconut Trees
AwesomeDragon97

Adds coconut trees that appear on beaches

No Map
LissoBone

Reject tradition, embrace modernity. For those tired of default MTG maps. Crafting recipes for TechAge hackers available.

Armor Toggle
Luffy0805

Enable and disable the visibility of the armor (3D Armor) using chat commands.

Moonflowers
karlexceed

Adds a rare pale blue flower that glows faintly in the darkness.

City Block II
sorcerykid

Disables use of water and lava buckets within a designated area

Teacher: Locked Chests
1F616EMO

Tutorial for MTG Locked Chests

visible health bar
GigaByte

adds a visible health bar above the player

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

Living Grass
karlexceed

Adds a simple lifecycle to grass

Bread
Lahusen

Just my favourite bread recipes

Missions
BuckarooBanzai

Adds blocks to create missions with rewards, timeout and penalties.

Ham Radio API
VinAdmin

Add-on for the Ham Radio mod that allows you to implement the transmission of messages between servers via web api

The Confluence
MisterE

A luamap example - a small (500x100x500) Island in the middle of the ocean with 4 rivers that run from the center to the sea.

UFO wreck
Irremann

UFO wreck

Drums
Mitalar_Zinmaer

Adds playable drums with real samples

golden_bread
MR_breaddz

golden bread

Nyfty Blocks
Ryft77

Adds some nifty blocks

The Grue mod
Majozoe

It is pitch black. You are likely to be eaten by a Grue.

Swamps
Hybrid Dog

Adds swamps